Sanford vision elite rollerball pen, refillable, 0.5mm, black barrel, assorted ink, 8/pack vision elite rollerball pen features a specially formulated ink that helps prevent check fraud. Ideal for business travelers because the pen won’t leak with a change in airplane cabin pressure. Rollerball pen offers a sleek design. Fade resistant/water resistant. this product arrives to most customers in 2-3 business days.